We humans are a mixture of our STRONG character traits and WEAK traits.
If we are deeply social-dependent people with deep loyalty as our nature---how can we give up such a connection
as a religion that DEMANDS deep loyalty and strong social connection??
Independent thinkers really don't function well in any coercive institution.
It comes down--in my opinion--to what is the character trait or traits which DOMINATE our personality as to what we can and cannot do.
We all war with our most rational thoughts as strained by our emotional and irrational whims. Don't we? Yes, we do.
The JW's who leave and go back are people who CAN and feel they've given "freedom" a shot and couldn't handle thinking for themsevles.